日期	单位净值
2015-04-20	1.1551
2015-04-17	1.1826
2015-04-10	1.1650
2015-04-03	1.1179
2015-03-27	1.0831
2015-03-20	1.0649
2015-03-13	1.0201
2015-03-06	1.0025
2015-02-27	1.0003
2015-02-17	0.9913
2015-02-13	0.9764
2015-02-06	0.9427
2015-01-30	0.9666
2015-01-23	0.9864
2015-01-20	0.9566
2015-01-16	0.9704